diff --git a/java_tools/configuration_definition/src/main/java/com/rusefi/PinoutLogic.java b/java_tools/configuration_definition/src/main/java/com/rusefi/PinoutLogic.java
index 8ac1b042fc..1acd5f9e98 100644
--- a/java_tools/configuration_definition/src/main/java/com/rusefi/PinoutLogic.java
+++ b/java_tools/configuration_definition/src/main/java/com/rusefi/PinoutLogic.java
@@ -16,7 +16,7 @@ public class PinoutLogic {
     private static final String CONFIG_BOARDS = "config/boards/";
     private static final String CONNECTORS = "/connectors";
     private static final String QUOTED_NONE = quote("NONE");
-    public static final String QUOTED_INVALID = quote("INVALID");
+    public static final String QUOTED_INVALID = quote(VariableRegistry.INVALID);
 
     private final File[] boardYamlFiles;
     private final String boardName;
diff --git a/java_tools/enum_to_string/src/main/java/com/rusefi/VariableRegistry.java b/java_tools/enum_to_string/src/main/java/com/rusefi/VariableRegistry.java
index 7d98576214..8112aee937 100644
--- a/java_tools/enum_to_string/src/main/java/com/rusefi/VariableRegistry.java
+++ b/java_tools/enum_to_string/src/main/java/com/rusefi/VariableRegistry.java
@@ -21,6 +21,7 @@ import static com.devexperts.logging.Logging.getLogging;
  */
 public class VariableRegistry {
     public static final String AUTO_ENUM_SUFFIX = "_auto_enum";
+    public static final String INVALID = "INVALID";
     private static final Logging log = getLogging(VariableRegistry.class);
 
     public static final String _16_HEX_SUFFIX = "_16_hex";
@@ -124,7 +125,7 @@ public class VariableRegistry {
             if (sb.length() > 0)
                 sb.append(", ");
 
-            String value = valueNameById.getOrDefault(i, "INVALID");
+            String value = valueNameById.getOrDefault(i, INVALID);
             sb.append("\"" + value + "\"");
         }
         return sb.toString();